18086634793072 has 20 divisors (see below), whose sum is σ = 35043240410496. Its totient is φ = 9043217912960.

The previous prime is 18086634793033. The next prime is 18086634793109. The reversal of 18086634793072 is 27039743668081.

It is a junction number, because it is equal to n+sod(n) for n = 18086634792995 and 18086634793013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4706704 + ... + 7637167.

Almost surely, 2^{18086634793072} is an apocalyptic number.

It is an amenable number.

18086634793072 is a deficient number, since it is larger than the sum of its proper divisors (16956605617424).

18086634793072 is a wasteful number, since it uses less digits than its factorization.

18086634793072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12435456 (or 12435450 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 64.

The spelling of 18086634793072 in words is "eighteen trillion, eighty-six billion, six hundred thirty-four million, seven hundred ninety-three thousand, seventy-two".